Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Steering Column Electronic Systems Control Module Connectors
Connectors
A - 4-pin connector (T4n) yellow
B - Black 20-pin connector (T20b)
B - Black 20-Pin Connector (T20b)
11 - CAN bus low (powertrain)
12 - CAN bus high (powertrain)
13 - Cruise control locked "OFF" to engine control module (ECM) -J623-
14 - CAN bus high (Comfort)
15 - CAN bus low (Comfort)
16 - "Parking lock" signal from automatic transmission shift gate
17 - Terminal 15 to Vehicle Electrical System Control Module -J519-
18 - Terminal 50 to Vehicle Electrical System Control Module
19 - Terminal 30
20 - Terminal 31
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.